From: Arnaud Pouliquen arnaud.pouliquen@foss.st.com
stable inclusion from stable-5.10.80 commit 602ab1fd40e2c5cb8d3664379da967528833844c bugzilla: 185821 https://gitee.com/openeuler/kernel/issues/I4L7CG
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 537d3af1bee8ad1415fda9b622d1ea6d1ae76dfa ]
According to the description of the rpmsg_create_ept in rpmsg_core.c the function should return NULL on error.
Fixes: 2c8a57088045 ("rpmsg: Provide function stubs for API") Signed-off-by: Arnaud Pouliquen arnaud.pouliquen@foss.st.com Reviewed-by: Mathieu Poirier mathieu.poirier@linaro.org Link: https://lore.kernel.org/r/20210712123912.10672-1-arnaud.pouliquen@foss.st.co... Signed-off-by: Bjorn Andersson bjorn.andersson@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Chen Jun chenjun102@huawei.com Reviewed-by: Weilong Chen chenweilong@huawei.com Acked-by: Weilong Chen chenweilong@huawei.com
Signed-off-by: Chen Jun chenjun102@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- include/linux/rpmsg.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/rpmsg.h b/include/linux/rpmsg.h index 9fe156d1c018..a68972b097b7 100644 --- a/include/linux/rpmsg.h +++ b/include/linux/rpmsg.h @@ -177,7 +177,7 @@ static inline struct rpmsg_endpoint *rpmsg_create_ept(struct rpmsg_device *rpdev /* This shouldn't be possible */ WARN_ON(1);
- return ERR_PTR(-ENXIO); + return NULL; }
static inline int rpmsg_send(struct rpmsg_endpoint *ept, void *data, int len)